Finding the Fourth Proportional to 324,915.71, 448,595.01 and 290,866.14
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Solution
The fourth proportional to 324,915.71, 448,595.01 and 290,866.14 is: 401,584.46
Step by Step Solution
- Step 1: Write the proportion equation
324,915.71 : 448,595.01 = 290,866.14 : x - Step 2: Convert to fraction form
324,915.71/448,595.01 = 290,866.14/x - Step 3: Cross multiply
324,915.71x = 448,595.01 × 290,866.14 - Step 4: Simplify right side
324,915.71x = 130,481,098,981.96 - Step 5: Solve for x
x = 130,481,098,981.96/324,915.71 - Step 6: Final answer
x = 401,584.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.